AirHint found the following cheapest return flights from London (LHR) to Riyadh (RUH) in December 2025 (see full year).

Return flights

05 Dec - 09 Dec	Turkish Airlines
31 Dec - 16 Jan	Turkish Airlines
08 Dec - 15 Dec	Aer Lingus
30 Dec - 14 Jan	LOT
10 Dec - 13 Dec	LOT
05 Dec - 25 Dec	Turkish Airlines
05 Dec - 13 Dec	Turkish Airlines
03 Dec - 10 Dec	Turkish Airlines
05 Dec - 08 Dec	Turkish Airlines
05 Dec - 12 Dec	Turkish Airlines
05 Dec - 17 Dec	Turkish Airlines
03 Dec - 22 Dec	Turkish Airlines
15 Dec - 19 Jan	LOT
16 Dec - 19 Jan	LOT
06 Dec - 12 Jan	Turkish Airlines
05 Dec - 12 Jan	Turkish Airlines
08 Dec - 15 Jan	LOT
16 Dec - 18 Jan	LOT
16 Dec - 11 Jan	Aer Lingus
11 Dec - 23 Jan	LOT

Also check the deals for one-way flights from London to Riyadh in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Riyadh

Cheap car rent in Riyadh

Cheapest return flights from London to Riyadh in December from 306€

Return flights